90276224 has 32 divisors (see below), whose sum is σ = 181653840. Its totient is φ = 44684800.

The previous prime is 90276209. The next prime is 90276227. The reversal of 90276224 is 42267209.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90276227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9437 + ... + 16419.

Almost surely, 2^90276224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90276224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90826920).

90276224 is an abundant number, since it is smaller than the sum of its proper divisors (91377616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90276224 is a wasteful number, since it uses less digits than its factorization.

90276224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 90276224 is about 9501.3801102787. The cubic root of 90276224 is about 448.5984773568.

It can be divided in two parts, 9027 and 6224, that added together give a palindrome (15251).

The spelling of 90276224 in words is "ninety million, two hundred seventy-six thousand, two hundred twenty-four".